Tic Tac Toe is free classic puzzle game also known as "noughts and crosses or sometimes X and. O". Our free Tic Tac Toe game offers: 4 different game levels 2 players game. Different themes Game statistics. The Tic Tac Toe game is a game for two players, called "X" and "O", who take turns marking the. Spaces in a 3×3 grid.